at, in, on preposiciones de tiempo at se usa con: 1 horas / momentos puntuales del día at half past three at eleven o’clock at lunchtime at midnight 2 periodos de vacaciones oficiales at Easter at Christmas 3 expresiones varias at night at the beginning/end of … at the weekend at the moment at present in on se usa con: 1 días de la semana on Monday on Saturday night on Friday afternoon 2 fechas concretas on 20th May on Christmas Day on Mother’s Day on my birthday se usa con: 1 partes del día (excepto night) in the morning/afternoon/evening 2 meses in July 3 estaciones in winter/spring/summer/autumn 4 años in 1981 5 siglos in the 21st century Last summer we didn’t go on holiday. I’ll see you next Friday. They play Magic card games every Wednesday. © Gonzalo Orozco 1 Cuando la expresión de tiempo va precedidad de last, next o every, no se usa ninguna preposición. Página Ejercicio 1 Completa las oraciones con la preposición correcta. 1 The match starts ________ 5 o’clock. 2 I am sure I will finish my report ________ Sunday. 3 My wife was born in New York ________ 1970. 4 One of the best times to visit London is ________ Christmas. 5 My brother will arrive from Granada ________ Saturday morning. 6 I always receive a lot of presents ________ my birthday. 7 In Liverpool it is very cold ________ the winter. 8 Napoleon lived ________ the 19th century. 9 We can go to the beach ________ the weekend. 10 I usually get up ________ half past six. 11 I usually feel very tired ________ night. 12 The European Cup Final will take place ________ 25 May. 13 I prefer to play tennis ________ the mornings. 14 Fred started working in this company ________ September. 15 We can go to Plaza Mayor ________ Saturday evening. 16 We always go to the pub next door ________ lunchtime. 17 In Britain it is a tradition to open your presents ________ Christmas Day. 18 The Olympic Games took place in Barcelona ________ 1992. 19 ________ summer, La Carihuela is full of tourists. 20 ________ the 20th century there were two world wars. 21 My English teacher was born ________ 1962. 22 The first time I went to London, I arrived ________ two o’clock ________ the morning. 23 Hopefully we will finish 1º Bachillerato ________ June. Página 2 24 My family usually goes to mass ________ every Sunday morning. © Gonzalo Orozco